Sharp XL-3000 Service Manual page 25

X351
456kHz
21 20 19 18 17
4 5 6 7 8 9
+5V
AM IF
CF352
+5V
20 19 18 17 16 15 14 13 12
3 4 5 6 7 8 9 10
LCD701
LCD DISPLAY
5 38
100 67
IC701
IX0039SJ
STEM MICROCOMPUTER/
FL DRIVER
37 38 39 25 26 27 28 43 44 45 46 49 50
A_24V
Q709
HING
5V
SWITCHING
Q351
16 15 14 13
10 11 12
11
CLID_DW 57
CLID_UP
56
CLID_PRO 20
CD_RES 59
66
CCE
BUCK 65
BUS3 64
63
BUS2
62
BUS1
BUS0 61
CD_STB 60
58
PU-IN
53
LIGHT
DIMMER 54
B-LIGHT 51
CLE
40
DATA 48
VSM
23
Figure 25 BLOCK DIAGRAM (4/4)
ZD351
VOLTAGE
REGURATOR
+5V
+B
Q360
FM +B
DISPLAY PWB
CLID_DW
CLID_UP
CLID_PRO
CLID_SW
CD_RES
CD_STB
DIMMER
– 25 –
XL-3000/3000C
TUNER PWB
SD
11
FM ST
10
DO
9
CL
8
CE
7
DI
6
A_12V
5
D_GND
4
TUN_L
3
TUN_R
2
A_GND
1
CNS307
CNW702 CNS702
1 1
2 2
3 3
4 4
5 5
CCE
6 6
BUCK
7 7
BUS3
8 8
BUS2
9 9
BUS1
10 10
BUS0
11 11
12 12
PU-IN
13 13
LIGHT
14 14
15 15
CNS703
SD
1 1
STEREO
2 2
DO
3 3
CL
4 4
CE
5 5
DI
6 6
CD+B
7 7
P_MUTE
8 8
P_STB
9 9
A_24V
10 10
D_GND
11 11
SURROUND
12 12
5V
13 13
CNW703